Receptacle with an Integrated Power Meter

2. The receptacle of claim 1, wherein the plurality of USB PD ports comprise a plurality of USB Type-C PD ports.

3. The receptacle of claim 1, wherein the plurality of USB PD controllers comprise a plurality of USB Type-C PD controllers.

4. The receptacle of claim 1, wherein the power profile includes at least a voltage configuration comprising at least one of 5V, 9V, 12V, 15V, or 20V configurations.

5. The receptacle of claim 1, wherein the power profile depends on a device type of the one or more devices to be charged.

6. The receptacle of claim 1, wherein the plurality of USB PD controllers are structured and configured to negotiate power sharing based at least in part on a device type of the plurality of devices to be charged.

7. The receptacle of claim 1, wherein the display comprises a liquid crystal display (LCD).

8. The receptacle of claim 1, wherein the display comprises one or more light emitting diodes (LEDs).

9. The receptacle of claim 1, wherein the charging performance includes charging quality of the USB PD ports.

10. The receptacle of claim 1, wherein the display is structured and configured to indicate whether a right USB charging cable is being used for charging the one or more devices.

11. The receptacle of claim 1, wherein the display is structured and configured to indicate capacity or electric energy of a power bank.

12. The receptacle of claim 1, further comprising a power supply structured and configured to convert utility power for use by the USB ports.

13. The receptacle of claim 12, wherein the power supply includes a flyback circuit.

14. The receptacle of claim 1, wherein the microcontroller and the plurality of USB PD controllers are structured and configured to communicate with one another via a communication protocol.

15. The receptacle of claim 14, wherein the communication protocol comprises I2C protocol.

18. The method of claim 17, wherein the real-time charging information further includes at least one of the negotiated power profile, whether correct USB charging cables are coupled to the plurality of USB ports and the plurality of devices, and capacity or electric energy of a power bank.